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+//Page Number: 487
+//Example 9.11
+clc;
+//Given
+n=0.08;
+A=3D-8; //m2
+n0=1D+21; //m-3
+e=1.6D-19;
+vd=1.5D+5; //m/s
+M=3.2
+E=350D+3; //V
+L=12D-6; //m
+
+//Power output
+Pout=n*A*n0*e*vd*M*L*E;
+disp('mW',Pout*1000,'Power output:');